This invention provides a rubber composition comprising 1-10 parts by mass of sulfur and 0.1-10 parts by mass of a compound represented by the following general formula (1) or a composition containing the compound as a main component based on 100 parts by mass of a rubber component as well as a pneumatic tire in which at least one of a carcass (4) and a belt (6) includes a layer composed of steel cords covered with a coating rubber, characterized in that the above rubber composition is used as the coating rubber covering the steel cords in at least one of the carcass (4) and the belt (6):
(wherein R represents a divalent aliphatic group having a carbon number of 1-16 or a divalent aromatic group).
本发明提供了一种橡胶组合物,其中包含 1-10 份(质量)
硫磺和 0.1-10质量份由以下通式(1)代表的化合物或以100质量份的橡胶成分为基础含有该化合物作为主要成分的组合物,以及充气轮胎,其中胎体(4)和带(6)中至少有一个包括由钢丝组成的、覆盖有包胶的层,其特征在于上述橡胶组合物用作胎体(4)和带(6)中至少一个中钢丝的包胶:
(其中 R 代表碳原子数为 1-16 的二价脂肪族基团或二价芳香族基团)。